IM: 6.7.5: Using Negative Numbers to Make Sense of Contexts (Practice)
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Last updated about 1 year ago
19 questions
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Write a positive or negative number to represent each change in the high temperature.
Question 1
1.
Tuesday’s high temperature was 4 degrees less than Monday’s high temperature.
Question 2
2.
Wednesday’s high temperature was 3.5 degrees less than Tuesday’s high temperature.
Question 3
3.
Thursday’s high temperature was 6.5 degrees more than Wednesday’s high temperature.
Question 4
4.
Friday’s high temperature was 2 degrees less than Thursday’s high temperature.
Decide which of the following quantities can be represented by a positive number and which can be represented by a negative number. Give an example of a quantity with the opposite sign in the same situation.
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Question 5
5.
Tyler’s puppy gained 5 pounds.
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Question 6
6.
The aquarium leaked 2 gallons of water.
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Question 10
10.
Make up a situation where a quantity is changing.
Explain what it means to have a negative change.
Explain what it means to have a positive change.
Give an example of each.
Refer to the number line.
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Question 11
11.
On the number line, label the points that are 4 units away from 0.
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Question 12
12.
If you fold the number line so that a vertical crease goes through 0, the points you label would match up. Explain why this happens.
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Evaluate each expression.
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Question 14
14.
2^{3} \sdot 3
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Question 15
15.
\frac{4^2}{2}
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Question 7
7.
Andre received a gift of $10.
Question 8
8.
Kiran gave a gift of $10.
Question 9
9.
A climber descended 550 feet.
Question 13
13.
On the number line, label the points that are \frac{5}{2} units from 0. What is the distance between these points?